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bytearray as preferred palette storage

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This commit is contained in:
wiredfool 2016-06-09 22:32:16 +01:00
parent 3c2e374824
commit c6489e6fb7
1 changed files with 2 additions and 3 deletions
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5
PIL/ImagePalette.py
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@ -38,7 +38,7 @@ class ImagePalette(object):
def __init__(self, mode="RGB", palette=None, size=0):
self.mode = mode
self.rawmode = None # if set, palette contains raw data
self.palette = palette or list(range(256))*len(self.mode)
self.palette = palette or bytearray(range(256))*len(self.mode)
self.colors = {}
self.dirty = None
if ((size == 0 and len(self.mode)*256 != len(self.palette)) or
@ -98,8 +98,7 @@ class ImagePalette(object):
except KeyError:
# allocate new color slot
if isinstance(self.palette, bytes):
self.palette = [(ord(x) if str is bytes else int(x))
for x in self.palette]
self.palette = bytearray(self.palette)
index = len(self.colors)
if index >= 256:
raise ValueError("cannot allocate more than 256 colors")